PH-2283

Wave speed

Physics · Secondary 4 · Medium · Wave speed

A sound wave in air has a frequency of

850\,\text{Hz}

. The speed of sound in air is

340\,\text{m s}^{-1}

. What is the wavelength of the sound wave?

$0.40\,\text{m}$
$0.25\,\text{m}$
$2.5\,\text{m}$
$3.4\,\text{m}$

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